Russian and U.S. negotiators reached a deal in which Syria would relinquish control of the chemical weapons at the heart of an international crisis. President Barack Obama had threatened a military intervention after Syria allegedly attacked its own citizens with chemical weapons in late August.
Reformulated blendstock gasoline prices fell 4.96 cents to $2.72 per gallon. Home heating oil dropped 5.71 cents to $3.0566 per gallon. Natural gas added 7 cents to $3.74 per million British thermal units.
At the nation's gas stations, the national average price for unleaded gasoline fell to $3.517 per gallon Monday from Sunday's $3.523, the AAA Fuel Gauge report said.